Re: Can crushing (fwd)

["High Voltage list" <hvlist@xxxxxxxxxx>]

Original poster: <sroys@xxxxxxxxxxxxxxxxx>



---------- Forwarded message ----------
Date: Mon, 21 Mar 2005 16:53:22 +1200
From: Malcolm Watts <m.j.watts@xxxxxxxxxxxx>
To: High Voltage list <hvlist@xxxxxxxxxx>
Subject: Re: Can crushing (fwd)

Hi Peter,
          Interesting:

On 20 Mar 2005, at 19:54, High Voltage list wrote:

> Original poster: <sroys@xxxxxxxxxxxxxxxxx>
> 
> 
> 
> ---------- Forwarded message ----------
> Date: Sun, 20 Mar 2005 12:42:46 +0800
> From: Peter Terren <pterren@xxxxxxxxxxxx>
> To: High Voltage list <hvlist@xxxxxxxxxx>
> Subject: Re: Can crushing
> 
> For those with an interest in can crushing, I have upgraded my setup
> to 1500J which will tear an empty can apart.
> 
> There is noticeable crushing at only 200J, better at 300.  Also
> dependent on the turns used. Note that 3 turns at 2400 V 110uF (300J)
> had an effect but 3 turns at 5200 V 35 uF (300J) had no effect.

The most immediate difference is that first case has a lower surge 
impedance (better matching to the load??). And given that, one would 
expect a higher peak current and peak magnetic field.

> Now a question for the clever people:
> What happens when you try to crush a full can with 1500J?

Full of what? Liquid? (Hint - I haven't looked at the website.)

Malcolm

> a: Nothing - total energy is absorbed and makes the can a bit warmer.
> b: Not much different. Can tears in half. c: Pressure wave explodes
> the can at the weakest point. d: Other (eg opens a worm hole, triggers
> brief fusion reaction)
> 
> Answer and other info/pics/videos on my site.
> http://tesladownunder.iinet.net.au/misc1.htm#Can%20crusher%202
> 
> 
> Peter
> 
> 
> 
> 
>